7dbfe704ef6228a629a284c93851d0fb1900e98e59ebb1bae6e6f9c64aaa7429

Analysis

max time kernel
143s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 23:51

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General

Target

7dbfe704ef6228a629a284c93851d0fb1900e98e59ebb1bae6e6f9c64aaa7429.dll
Size

80KB
MD5

b4e97df33272c901130e93485c5361db
SHA1

3ecfcabdbeda349f7b3d6be73ad2599f39dd8469
SHA256

7dbfe704ef6228a629a284c93851d0fb1900e98e59ebb1bae6e6f9c64aaa7429
SHA512

808a7ff601408c4e7f986a22a96e2ba2b360ccf87e6fd8d5985e7f90aa961e93f040ab432baaf256f6b399d8389310cb8d4adee7165db4d8da0bb58b986dfe05
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEzX0Du:5dbwovEVyqgoZmZXWfIdQdRaefP81

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
5	2288	rundll32.exe
8	2288	rundll32.exe
9	2288	rundll32.exe

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	rundll32.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2820	arp.exe
1240	arp.exe
2940	arp.exe
2192	arp.exe
2752	arp.exe
2188	arp.exe
1564	arp.exe
2760	arp.exe
2808	arp.exe

UPX packed file 24 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2288-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2288-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1240-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1240-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2940-12-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2192-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2192-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2940-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2752-22-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2820-23-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2820-27-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2760-26-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2808-20-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1564-18-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2760-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1564-15-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2752-14-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2188-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2808-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2288-29-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2036-31-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2036-33-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2288-34-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2288-41-0x0000000010000000-0x0000000010033000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2288	rundll32.exe
2288	rundll32.exe
2288	rundll32.exe
2288	rundll32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
480	Process not Found
480	Process not Found

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	rundll32.exe
Token: SeDebugPrivilege	1240	arp.exe
Token: SeDebugPrivilege	2192	arp.exe
Token: SeDebugPrivilege	2188	arp.exe
Token: SeDebugPrivilege	2940	arp.exe
Token: SeDebugPrivilege	2808	arp.exe
Token: SeDebugPrivilege	2820	arp.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2288	2692	rundll32.exe	30
PID 2692 wrote to memory of 2288	2692	rundll32.exe	30
PID 2692 wrote to memory of 2288	2692	rundll32.exe	30
PID 2692 wrote to memory of 2288	2692	rundll32.exe	30
PID 2692 wrote to memory of 2288	2692	rundll32.exe	30
PID 2692 wrote to memory of 2288	2692	rundll32.exe	30
PID 2692 wrote to memory of 2288	2692	rundll32.exe	30
PID 2288 wrote to memory of 1240	2288	rundll32.exe	31
PID 2288 wrote to memory of 1240	2288	rundll32.exe	31
PID 2288 wrote to memory of 1240	2288	rundll32.exe	31
PID 2288 wrote to memory of 1240	2288	rundll32.exe	31
PID 2288 wrote to memory of 2940	2288	rundll32.exe	33
PID 2288 wrote to memory of 2940	2288	rundll32.exe	33
PID 2288 wrote to memory of 2940	2288	rundll32.exe	33
PID 2288 wrote to memory of 2940	2288	rundll32.exe	33
PID 2288 wrote to memory of 2192	2288	rundll32.exe	34
PID 2288 wrote to memory of 2192	2288	rundll32.exe	34
PID 2288 wrote to memory of 2192	2288	rundll32.exe	34
PID 2288 wrote to memory of 2192	2288	rundll32.exe	34
PID 2288 wrote to memory of 2188	2288	rundll32.exe	36
PID 2288 wrote to memory of 2188	2288	rundll32.exe	36
PID 2288 wrote to memory of 2188	2288	rundll32.exe	36
PID 2288 wrote to memory of 2188	2288	rundll32.exe	36
PID 2288 wrote to memory of 1564	2288	rundll32.exe	37
PID 2288 wrote to memory of 1564	2288	rundll32.exe	37
PID 2288 wrote to memory of 1564	2288	rundll32.exe	37
PID 2288 wrote to memory of 1564	2288	rundll32.exe	37
PID 2288 wrote to memory of 2752	2288	rundll32.exe	40
PID 2288 wrote to memory of 2752	2288	rundll32.exe	40
PID 2288 wrote to memory of 2752	2288	rundll32.exe	40
PID 2288 wrote to memory of 2752	2288	rundll32.exe	40
PID 2288 wrote to memory of 2760	2288	rundll32.exe	41
PID 2288 wrote to memory of 2760	2288	rundll32.exe	41
PID 2288 wrote to memory of 2760	2288	rundll32.exe	41
PID 2288 wrote to memory of 2760	2288	rundll32.exe	41
PID 2288 wrote to memory of 2808	2288	rundll32.exe	42
PID 2288 wrote to memory of 2808	2288	rundll32.exe	42
PID 2288 wrote to memory of 2808	2288	rundll32.exe	42
PID 2288 wrote to memory of 2808	2288	rundll32.exe	42
PID 2288 wrote to memory of 2820	2288	rundll32.exe	43
PID 2288 wrote to memory of 2820	2288	rundll32.exe	43
PID 2288 wrote to memory of 2820	2288	rundll32.exe	43
PID 2288 wrote to memory of 2820	2288	rundll32.exe	43
PID 2288 wrote to memory of 2036	2288	rundll32.exe	49
PID 2288 wrote to memory of 2036	2288	rundll32.exe	49
PID 2288 wrote to memory of 2036	2288	rundll32.exe	49
PID 2288 wrote to memory of 2036	2288	rundll32.exe	49

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dbfe704ef6228a629a284c93851d0fb1900e98e59ebb1bae6e6f9c64aaa7429.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dbfe704ef6228a629a284c93851d0fb1900e98e59ebb1bae6e6f9c64aaa7429.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1240
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 d2-2d-13-38-9d-49
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2940
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 47-84-ac-f0-80-36
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2192
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.69.123 db-f7-d9-41-cf-ca
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2188
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 fa-40-4c-69-6b-a1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1564
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 b7-64-8d-b6-9f-ba
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 6c-ad-7e-34-bb-6b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2760
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 94-89-e4-ff-cf-fc
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2808
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 b3-bd-2b-d4-fd-b4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2820
- - C:\Windows\SysWOW64\arp.exe
    arp -d
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1240-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1240-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1564-18-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1564-15-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2036-33-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2036-31-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2188-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2192-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2192-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2288-29-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2288-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2288-41-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2288-34-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2288-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2288-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2752-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2752-22-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2760-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2760-26-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2808-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2808-20-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2820-23-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2820-27-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2940-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2940-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download